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Mar. 3, 2015 — Why do people shake hands? A new study suggests one of the reasons for this ancient custom may be to check out each other's odors. Even if we are not consciously aware of this, handshaking may ... full story

Mar. 2, 2015 — Light behaves both as a particle and as a wave. Since the days of Einstein, scientists have been trying to directly observe both of these aspects of light at the same time. Now, scientists have ... full story

Mar. 2, 2015 — You might resemble or act more like your mother, but a novel research study reveals that mammals are genetically more like their dads. Specifically, the research shows that although we inherit equal ... full story

Mar. 2, 2015 — Dust plays an extremely important role in the universe -- both in the formation of planets and new stars. But the earliest galaxies had no dust, only gas. Now an international team of astronomers has ... full story

Feb. 27, 2015 — Scientists have captured the first detailed microscopy images of ultra-small bacteria that are believed to be about as small as life can get. The existence of ultra-small bacteria has been debated ... full story

Mar. 3, 2015 — Meteorologists sometimes struggle to accurately predict the weather here on Earth, but now we can find out how cloudy it is on planets outside our solar system, thanks to new ... full story

Mar. 3, 2015 — Rather than just waiting patiently for any pollinator that comes their way to start the next generation of seeds, some plants appear to recognize the best suitors and 'turn on' to increase ... full story

Mar. 2, 2015 — A newly published study is the first to report an association between bisphenol-A (BPA), a common plasticizer used in a variety of consumer food and beverage containers, with autism spectrum disorder ... full story

Mar. 2, 2015 — Researchers describe how postmortem brain slices can be 'read' to determine how a rat was trained to behave in response to specific sounds, a new article suggests. The work provides one of ... full story

Mar. 2, 2015 — Neuroscientists generally think of the front end of the human visual system as a simple light detection system: The patterns produced when light falls on the retina are relayed to the visual cortex ... full story

Mar. 2, 2015 — Navigational brain cells that help sense direction are as electrically active during deep sleep as they are during wake time, scientists have discovered. Such information could be useful in treating ... full story

Mar. 2, 2015 — A new twist on an old tool lets scientists use light to study and control matter with 1,000 times better resolution and precision than previously possible. Physicists have demonstrated ... full story

Mar. 2, 2015 — Organic light emitting diodes (OLEDs), which are made from carbon-containing materials, have the potential to revolutionize future display technologies, making low-power displays so thin they'll ... full story

Mar. 2, 2015 — Researchers have examined the association of nut and peanut consumption with mortality among low-income and racially diverse populations and found that intake of peanuts was associated with fewer ... full story

Feb. 27, 2015 — Astronomers using data from NASA's Wide-field Infrared Survey Explorer, or WISE, have found a cluster of stars forming at the very edge of our Milky Way galaxy. This is the first time ... full story

News by Topic

Mar. 3, 2015 — Adults over the age of 30 only catch flu about twice a decade, a new study suggests. So, while it may feel like more, flu-like illness can be caused by many pathogens, making it difficult to assess ... full story

Mar. 3, 2015 — No significant change in home habits of smokers have been observed in the aftermath of a ban on smoking in public spaces, researchers report. Greater inspiration to kick the habit likely comes from ... full story

Mar. 3, 2015 — Heart function has been associated with the development of dementia and Alzheimer's disease through a new study. Participants with decreased heart function, measured by cardiac index, were two to ... full story

Mar. 3, 2015 — Children of recently separated or divorced families are likelier to drink sugar-sweetened beverages than children in families where the parents are married, putting them at higher risk for obesity ... full story

Mar. 3, 2015 — Gastric bypass and similar stomach-shrinking surgeries are a popular option for obese patients looking to lose weight or treat type 2 diabetes. While the surgeries have been linked to a decreased ... full story

Mar. 3, 2015 — Most people consume more salt than they need and therefore have a higher risk of heart disease and stroke, which are the two leading causes of death worldwide. But a new study reveals that dietary ... full story

Mar. 3, 2015 — Twice as many children born to mothers who took antibiotics during pregnancy were diagnosed with asthma by age 3 than children born to mothers who didn’t take prenatal antibiotics, a new study has ... full story

Mar. 3, 2015 — Although sedatives are often administered before surgery, a randomized trial finds that among patients undergoing elective surgery under general anesthesia, receiving the sedative lorazepam before ... full story

Mar. 3, 2015 — Pediatric otolaryngologists and surgeons are concerned with parents getting the wrong message regarding the safety/desirability of letting babies and young children eat peanuts to prevent them from ... full story

Mar. 3, 2015 — It appears that stress markers in unemployed people can be found, independent of smoking, alcohol consumption and overweight/obesity. Results from a study suggest that long-term unemployment may be ... full story

Mar. 3, 2015 — On the heels of an American nationwide measles outbreak comes a report that campaigns aimed at scaring people about the consequences of non-vaccination might not be as effective as many think. ... full story

Mar. 3, 2015 — Doctors write millions of prescriptions a year for drugs to calm the behavior of people with Alzheimer’s disease and other types of dementia. But non-drug approaches actually work better, and carry ... full story

Mar. 3, 2015 — Briefly counseling college students on the dangers of binge drinking is effective in lowering heavy drinking levels among many students, but only temporarily. Three out of four will be right back ... full story

Mar. 3, 2015 — Loneliness brought about by the death of a spouse can trigger a wider network of depression-like symptoms, a study has found, but authors suggest that doctors are often too quick to attribute these ... full story

Mar. 3, 2015 — Family Based Interpersonal Psychotherapy (FB-IPT) is more effective in treating preadolescent children with depression compared to child-centered therapy (CCT), a recent study has found. ... full story

Mar. 3, 2015 — Everyone worries about losing their memory as they grow older—memory loss remains one of the most common complaints of the elderly. But the molecular reasons behind the processes remain unclear, ... full story

Mar. 3, 2015 — A strong link has been made between subthreshold manic episodes and likelihood of developing bipolar disorder in children of parents with bipolar disorder. The study’s findings could improve ... full story

Mar. 2, 2015 — A researcher has discovered a way to keep remyelination going, using a drug that's already on the market. Damage to myelin, the fatty insulator that enables communication between nerve cells, ... full story

Mar. 2, 2015 — On Feb. 26, a picture of a cocktail dress originally uploaded to the blog Tumblr swept the Internet and managed to divide the population over a simple question: What color is the dress? Some viewers ... full story

Mar. 2, 2015 — Some 40 percent of women 60 to 65 years old still have hot flashes. For many, the hot flashes are occasional and mild, but for some, they remain really troublesome. Sexual symptoms also remain a ... full story

Mar. 2, 2015 — Screening for five growth parameters helped detect celiac disease (CD) with good accuracy in both boys and girls because growth falters in most children with CD, according to a new article. CD is an ... full story

Mar. 2, 2015 — Cardiovascular risks of severe pediatric obesity, assessed among a recent study, have been recently published. The authors found that severely obese adolescents carry not only excess weight, but also ... full story

Mar. 2, 2015 — A higher intake by postmenopausal women of the natural antioxidant lycopene, found in foods like tomatoes, watermelon and papaya, may lower the risk of renal cell carcinoma, a type of kidney cancer, ... full story

Mar. 2, 2015 — Problems in a gene responsible for producing the protein TAF4b leave mice -- and maybe men -- unable to sustain sperm production. As embryos, mice lacking the protein failed to develop an adequate ... full story

Mar. 2, 2015 — Walk down the aisles of any food supplement store and you'll see that the use of nitrate supplements by athletes and fitness buffs has been popular for years. The hope is that these supplements will ... full story

Mar. 2, 2015 — One of the first American national studies to examine risk factors for use of synthetic marijuana among a large, nationally representative sample of teens. Popular among teens, in 2011, synthetic ... full story

Mar. 2, 2015 — Pediatricians are facing increasing pressure from some parents who want to spread out the recommended vaccine schedule for their children by postponing vaccines, pointing to a need for improved ... full story

Mar. 2, 2015 — Children who sometimes lack sympathy for others are more likely to share resources with those friends if they respect their morals suggests a paper. The study sought to explore the reciprocal ... full story

Mar. 3, 2015 — By examining the forces that the segments of mosquito legs generate against a water surface, researchers have unraveled the mechanical logic that allows the mosquitoes to walk on water, which may ... full story

Mar. 3, 2015 — Researchers have developed a new way of rapidly screening yeasts that could help produce more sustainable biofuels. The new technique could also be a boon in the search for new ways of deriving ... full story

Mar. 3, 2015 — Major cities in the UK are falling behind their international counterparts in terms of their use of smart technologies, according to a new study. The research has found that smart cities in the UK, ... full story

Mar. 3, 2015 — Scientists have explored friction at the microscopic level. They discovered that the force generating friction is much stronger than previously thought. The discovery is an important step toward ... full story

Mar. 3, 2015 — Micro-drones are already being put to use in a large number of areas: These small aircraft face extensive requirements when performing aerial observation tasks or when deployed in the field of ... full story

Mar. 3, 2015 — Recent research contributes to the effort to determine the nature of dark matter, one of the most important mysteries in physics. As indirect evidence provided by its gravitational effects, dark ... full story

Mar. 3, 2015 — Physicists have shown for the first time that electrons in graphene can be moved along a predefined path. This movement occurs entirely without loss and could provide a basis for numerous ... full story

Mar. 3, 2015 — Magnetic vortex structures, so-called skyrmions, could in future store and process information very efficiently. They could also be the basis for high-frequency components. For the first time, a team ... full story

Mar. 2, 2015 — NASA's Dawn spacecraft has returned new images captured on approach to its historic orbit insertion at the dwarf planet Ceres. Dawn will be the first mission to successfully visit a dwarf planet when ... full story

Mar. 2, 2015 — An international team of researchers has demonstrated a way to assess the quality of water on Earth from space by using satellite technology that can visualize pollution levels otherwise invisible to ... full story

Feb. 27, 2015 — A new type of methane-based, oxygen-free life form that can metabolize and reproduce similar to life on Earth has been modeled. It is theorized to have a cell membrane, composed of small organic ... full story

Feb. 26, 2015 — If you put a camera in the ice machine and watched water turn into ice, the process would look simple. But the mechanism behind liquids turning to solids is actually quite complex, and understanding ... full story

Feb. 26, 2015 — Like a cowboy at a rodeo, NASA's newest Earth-observing satellite, the Soil Moisture Active Passive (SMAP), has triumphantly raised its "arm" and unfurled a huge golden "lasso" (antenna) that it will ... full story

Feb. 26, 2015 — New research by an astrophysicist provides revelations about the most energetic event in the universe -- the merging of two spinning, orbiting black holes into a much larger black ... full story

Feb. 26, 2015 — The MUSE instrument on ESO's Very Large Telescope has given astronomers the best ever three-dimensional view of the deep universe. After staring at the Hubble Deep Field South region for only 27 ... full story

Feb. 26, 2015 — Researchers have discovered regions where certain organic molecules somehow endure the intense radiation near the supermassive black hole at the center of galaxy NGC 1068, also known to amateur ... full story

Feb. 25, 2015 — The discovery of the brightest quasar in the early universe, powered by the most massive black hole yet known at that time presents a puzzle to researchers: How could something so massive and ... full story

Mar. 3, 2015 — To simulate chimp behavior, scientists created a computer model based on equations normally used to describe the movement of atoms and molecules in a confined space. An interdisciplinary research ... full story

Mar. 2, 2015 — The odds of picking a perfect bracket for the NCAA men's basketball March Madness championship tournament are a staggering less than one in 9.2 quintillion (that's 9,223,372,036,854,775,808), ... full story

Mar. 2, 2015 — Scientists report that they could observe experimentally the current flow along channels at the crystal surfaces of topological insulators. The channels are less than one nanometer wide and extend ... full story

Mar. 2, 2015 — What if one day, your computer, TV or smart phone could process data with light waves instead of an electrical current, making those devices faster, cheaper and more sustainable through less heat and ... full story

Mar. 2, 2015 — 3-D printing could become a powerful tool in customizing interventional radiology treatments to individual patient needs, with clinicians having the ability to construct devices to a specific size ... full story

Feb. 27, 2015 — A team researchers focusing on a fictional zombie outbreak as an approach to disease modeling suggests heading for the hills, in the Rockies, to save your brains from the ... full story

Feb. 27, 2015 — Engineers have taken the ordinary QR code and transformed it into a high-end cybersecurity application that can protect the integrity of computer chips using advanced optical imaging and photon-based ... full story

Mar. 3, 2015 — While studying a ground-nesting bird population near El Reno, Okla., a research team found that stress during a severe weather outbreak of May 31, 2013, had manifested itself into malformations in ... full story

Mar. 3, 2015 — The 3-D printing scene, a growing favorite of do-it-yourselfers, has spread to the study of plasma physics. With a series of experiments, researchers have found that 3-D printers can be an important ... full story

Mar. 3, 2015 — Similar to humans and animals, plants possess an innate immune system that protects them from invading pathogens. Molecular structures that only occur in pathogens enable their recognition and ... full story

Mar. 3, 2015 — For almost a century, scientists have been puzzled by a process that is crucial to much of the life in Earth's oceans: Why does calcium carbonate, the tough material of seashells and corals, ... full story

Mar. 3, 2015 — Two of the four known groups of human AIDS viruses (HIV-1 groups O and P) have originated in western lowland gorillas, according to new research. The scientists conducted a comprehensive survey of ... full story

Mar. 3, 2015 — Methane emissions are strongly reduced in lakes with anoxic bottom waters. But – contrary to what has previously been assumed – methane removal is not always due to archaea or anaerobic bacteria. ... full story

Mar. 2, 2015 — For the first time, researchers have produced a 3-D image revealing part of the inner structure of an intact, infectious virus, using a unique X-ray laser. The virus, called Mimivirus, is in a ... full story

Mar. 2, 2015 — In the first study of its kind since the 1920s, rats in New York City were found to carry a flea species capable of transmitting plague pathogens. Among them: 500-plus Oriental rat fleas, notorious ... full story

Mar. 3, 2015 — Researchers studied quartz from the San Andreas Fault at the microscopic scale, the scale at which earthquake-triggering stresses originate. The results could one day lead to a better understanding ... full story

Mar. 2, 2015 — Rare historic records of the changing seasons are helping scientists better understand how woodland trees and flowers are responding to climate change. Scientists used records -- compiled by one ... full story

Mar. 2, 2015 — Hungry, plant-eating insects may limit the ability of forests to take up elevated levels of carbon dioxide in the atmosphere, reducing their capacity to slow human-driven climate change, a new study ... full story

Mar. 2, 2015 — Scientists are reporting advances on how to one day make solar cells stronger, lighter, more flexible and less expensive when compared with the current silicon or germanium technology on the ... full story

Mar. 2, 2015 — Researchers have characterized the gut microbiome of honey bee queens. This is the first thorough census of the gut microbiome -- which consists of all the microorganisms that live in the gut of the ... full story

Mar. 1, 2015 — A study of how climate change has affected emperor penguins over the last 30,000 years found that only three populations may have survived during the last ice age, and that the Ross Sea in Antarctica ... full story

Feb. 27, 2015 — In a series of three studies, researchers tested whether there is a link between personality and an aspect of physical ecology: flat terrain versus mountainous terrain. The study found that only one ... full story

Feb. 27, 2015 — That swim tracks made by tetrapods occur in high numbers in deposits from the Early Triassic is well known. What is less clear is why the tracks are so abundant and well preserved. Paleontologists ... full story

Mar. 3, 2015 — The precise dating of ancient charcoal found near a skull is helping reveal a unique period in prehistory. The Manot Cave, a natural limestone formation, had been sealed for some 15,000 years. It was ... full story

Mar. 2, 2015 — Richard III is the only male to be discovered at infamous former car-park site. A mysterious lead coffin found close to the site of Richard III's hastily dug grave at the Grey Friars friary has now ... full story

Feb. 27, 2015 — DNA evidence shows surprise cultural connections between Britain and Europe 8,000 years ago. Researchers found evidence for a variety of wheat at a submerged archaeological site off the south coast ... full story

Feb. 26, 2015 — The miniweight boxing title of the animal world belongs to the mantis shrimp, a cigar-sized crustacean whose front claws can deliver an explosive 60-mile-per-hour blow akin to a bullet leaving the ... full story

Feb. 24, 2015 — Thirteen million years ago, as many as seven different species of crocodiles hunted in the swampy waters of what is now northeastern Peru, new research shows. This hyperdiverse assemblage, revealed ... full story

Feb. 24, 2015 — Tropical turtle fossils discovered in Wyoming reveal that when Earth got warmer, prehistoric turtles headed north. But if today's turtles try the same technique to cope with warming habitats, they ... full story

Feb. 24, 2015 — A French-Kenyan research team has just described a new fossil ancestor of today's hippo family. This discovery bridges a gap in the fossil record separating these animals from their closest ... full story

Feb. 24, 2015 — Climate-driven plague outbreaks in Asia were repeatedly transmitted over several centuries into southern European harbors, an international team of researchers has found. This finding contrasts the ... full story

Feb. 23, 2015 — New work on echinoids -- marine animals like sea urchins and sand dollars -- gives scientists a reason to rethink a classical pattern of evolution. Fossil-based studies have traditionally indicated ... full story

Mar. 2, 2015 — Despite sharp increases in spending on cancer treatment, cancer mortality rates in the United States have decreased only modestly since 1970, a study has found. "Our results suggest that cancer care ... full story

Mar. 2, 2015 — A survey of US high school students suggests that 1 in 5 female students and 1 in 10 male students who date have experienced some form of teen dating violence (TDV) during the past 12 months. "These ... full story

Feb. 27, 2015 — Global health experts believe the current data on cancer prevalence, incidence and mortality in sub-Saharan Africa -- which determines how billions of pounds of international development money is ... full story

Feb. 27, 2015 — Suicide rates for adults 40-64 years of age in the US have risen about 40 percent since 1999, with a sharp rise since 2007. One possible explanation could be the detrimental effects of the economic ... full story

Feb. 27, 2015 — Findings of a new reveal striking variations between countries and regions in the use of this lifesaving stem cell transplantation, and high unmet need due to a chronic shortage of resources and ... full story

Feb. 27, 2015 — Women veterans face a different home front battle with heart disease. Younger and more depressed when getting attention for chest pain -- heart tests often show a surprising ... full story

Feb. 26, 2015 — Adults with intellectual and developmental disabilities are much less likely to be screened for colorectal cancer, research shows. "As individuals with intellectual and developmental disabilities ... full story

Feb. 26, 2015 — Using models that blend global economics, geography, ecology and environmental sciences is essential to understanding how changes in trade and natural systems in one part of the world affect those in ... full story

Feb. 26, 2015 — We make hundreds, possibly thousands, of decisions each day without having full knowledge of what will happen next. Life is unpredictable, and we move forward the best we can despite not knowing ... full story

Feb. 26, 2015 — Environmental scientists suggest that the way to fill vast gaps in knowledge about the ecological and socioeconomic impacts of ocean energy development is to consider how the benefits provided by ... full story

Feb. 20, 2015 — Drugs are usually associated with vulnerable social groups. New research reveals that amphetamine, however, is used by some in physically demanding manual jobs - to sustain long working ... full story

Feb. 18, 2015 — Unemployment can change peoples' core personalities, making some less conscientious, agreeable and open, which may make it difficult for them to find new jobs, according to new ... full story

Feb. 18, 2015 — Who takes charge during a disaster or at an accident scene? The question has intrigued sociologists since Gustave Le Bon first studied "herd behavior" in nineteenth-century France. The question of an ... full story

Feb. 18, 2015 — New research reveals that, in low-income zip codes, IRS-reported incomes and earnings reported on mortgages in fact differed wildly from 2002 to 2005. The researchers place the blame for falsified ... full story

Feb. 17, 2015 — New research suggests women seek more options in dating partners near ovulation -- when they are most fertile -- which may lead them to also seek a greater variety of products and ... full story

Feb. 17, 2015 — Bullying at work grinds victims down and makes them an 'easy target' for further abuse according to new research. The research suggests that employers should not only crack down on workplace bullies, ... full story

Feb. 12, 2015 — We tend to be economically irrational when it comes to choosing how we use resources like money and time but scarcity can convert us into economically rational decision makers, according to new ... full story

Feb. 9, 2015 — Connecting different kinds of devices, not just computers and communications devices, to the Internet could lead to new ways of working with a wide range of machinery, sensors, domestic and other ... full story

Feb. 5, 2015 — Rising individualism in the United States over the last 150 years is mainly associated with a societal shift toward more white-collar occupations, according to new research. The study, which looked ... full story

Feb. 5, 2015 — New businesses spring up all the time in the U.S. But which ones have the greatest ability to become big? A new method based on an empirical study, projects the growth potential of high-tech firms ... full story

Mar. 2, 2015 — Several studies have indicated a connection between learning and health. Researchers have now found that the health of school teachers is related to their level of work integrated ... full story

Feb. 26, 2015 — Although higher education has already opened the door to equal opportunities for women and minorities in the US in the math and science professions, a new study suggests that elementary school ... full story

Feb. 25, 2015 — Discussing the relationship between science and faith, rather than avoiding the discussion, may better prepare future high school biology teachers for anticipating questions about evolution, ... full story

Feb. 19, 2015 — Delaying school entry for children could cause poorer academic performance, according to new research. Many parents are keen to hold their children back a year if they were born prematurely or in the ... full story

Feb. 16, 2015 — A new study found that female students, racial/ethnic minorities, and students of lower socioeconomic status are less likely to report regularly getting seven or more hours of sleep each night ... full story

Feb. 5, 2015 — "Atesi" -- what sounds like a word from the Elven language of Lord of the Rings is actually a Vimmish word meaning "thought". Scientists have used Vimmish, an artificial language specifically ... full story

Jan. 29, 2015 — Despite similar views about the overall place of science in America, the general public and scientists often see science-related issues through a different lens, according to a new pair of ... full story

Jan. 29, 2015 — Can synesthesia have cognitive benefits and can it be taught? There are over 60 known types of synesthesia, a condition in which stimulation of one sense, such as taste, leads to automatic, ... full story

Jan. 28, 2015 — A neuroimaging study by psychologist suggests that phonics shouldn't be overlooked in favor of a whole-language technique, a finding that could help improve treatment and diagnosis of common reading ... full story

ScienceDaily features breaking news and videos about the latest discoveries in science, health, the environment, technology, and more -- from major news services and leading universities, scientific journals, and research organizations.

ScienceDaily features breaking news and videos about the latest discoveries in health, technology, the environment, and more -- from major news services and leading universities, scientific journals, and research organizations.